“High natural gas prices could prompt the next energy crisis”, according to Alan Greenspan, chairman of the US Federal Reserve. The United States appears to have woken up just recently to the fact that high gas as well as oil prices are threatening the incipient economic recovery. Manufacturing industries that rely on gas as their main raw material are already reducing production and laying off workers as their costs rise and further down the line the country has yet to feel the impact of higher electricity and residential heating costs on consumer spending...